Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem é a semana 12 para a semana 4 de Gerard Ewelina?
 ###Tabelas: CREATE TABLE development_regions (development_regions_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Exports (US$ mil) VARCHAR, Percent of total exports VARCHAR, Imports (US$ mil) VARCHAR, Percent of total imports VARCHAR) CREATE TABLE during_the_season (during_the_season_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Outgoing manager VARCHAR, Manner of departure VARCHAR, Date of vacancy VARCHAR, Replaced by VARCHAR, Date of appointment VARCHAR, Position in table VARCHAR) CREATE TABLE nominations (nominations_id AUTO_INCREMENT PRIMARY KEY, Week 2 VARCHAR, Week 4 VARCHAR, Week 6 VARCHAR, Week 11 VARCHAR, Week 12 VARCHAR, Week 13 VARCHAR, Week 15 VARCHAR) CREATE TABLE westbound_record_breakers_blue_riband_holders (westbound_record_breakers_blue_riband_holders_id AUTO_INCREMENT PRIMARY KEY, Ship VARCHAR, Year INT, Dates VARCHAR, Line VARCHAR, From VARCHAR, Distance VARCHAR, Days, hours, minutes VARCHAR, Speed VARCHAR) CREATE TABLE characteristics_of_telephone_cable_as_a_function_of_frequency (characteristics_of_telephone_cable_as_a_function_of_frequency_id AUTO_INCREMENT PRIMARY KEY, Frequency (Hz) VARCHAR, R (Ω/km) VARCHAR, L (mH/km) VARCHAR, G (μS/km) VARCHAR, C (nF/km) VARCHAR)  
SELECT Week 12 FROM nominations WHERE Week 4 = gerard ewelina